Tulsa MUA - Northside

NPDES permit OK0026221 · Major POTW · effective, expires 2028-02-29 · EPA's file as of 2026-09-19

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EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 34 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among OK permits in EPA's filings — check your permit).

Limits in force (131)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 7 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Oxygen, dissolved [DO]MO MIN >= 6 mg/L Jun, Jul, Aug, Sep, Oct
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedWKLY AVG <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 5329.3 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 4.1 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 9.9 mg/L Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 4.5 mg/L Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 1456.7 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1065.9 lb/d Jun, Jul, Aug, Sep
001Cyanide, total [as CN]MO AVG <= 17.39 ug/L Apr, May
001Cyanide, total [as CN]MO AVG <= 18.56 ug/L Jun, Jul, Aug, Sep
001Cyanide, total [as CN]MO AVG <= 15.11 ug/L Oct
001Cyanide, total [as CN]MO AVG <= 10.3 ug/L Jan, Feb, Mar, Nov, Dec
001Cyanide, total [as CN]DAILY MX <= 26.09 ug/L Apr, May
001Cyanide, total [as CN]DAILY MX <= 27.84 ug/L Jun, Jul, Aug, Sep
001Cyanide, total [as CN]DAILY MX <= 22.67 ug/L Oct
001Cyanide, total [as CN]DAILY MX <= 15.45 ug/L Jan, Feb, Mar, Nov, Dec
001Cyanide, total [as CN]MO AVG <= 6.18 lb/d Apr, May
001Cyanide, total [as CN]MO AVG <= 6.59 lb/d Jun, Jul, Aug, Sep
001Cyanide, total [as CN]MO AVG <= 5.37 lb/d Oct
001Cyanide, total [as CN]MO AVG <= 3.66 lb/d Jan, Feb, Mar, Nov, Dec
001Arsenic, total [as As]MO AVG <= 1.64 ug/L all year
001Arsenic, total [as As]DAILY MX <= 3.34 ug/L all year
001Arsenic, total [as As]MO AVG <= .59 lb/d all year
001Cadmium, total [as Cd]MO AVG <= 1.54 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= 2.36 ug/L all year
001Cadmium, total [as Cd]MO AVG <= .55 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MAX <= .099 mg/L all year
001E. coliGEO MEAN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliGEO MEAN <= 630 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001E. coliDAILY MX <= 406 MPN/100mL May, Jun, Jul, Aug, Sep
001E. coliDAILY MX <= 2030 MPN/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Mercury, total [as Hg]MO AVG <= .02 ug/L Apr, May
001Mercury, total [as Hg]MO AVG <= .021 ug/L Jun, Jul, Aug, Sep
001Mercury, total [as Hg]MO AVG <= .017 ug/L Oct
001Mercury, total [as Hg]MO AVG <= .012 ug/L Jan, Feb, Mar, Nov, Dec
001Mercury, total [as Hg]DAILY MX <= .029 ug/L Apr, May
001Mercury, total [as Hg]DAILY MX <= .031 ug/L Jun, Jul, Aug, Sep
001Mercury, total [as Hg]DAILY MX <= .025 ug/L Oct
001Mercury, total [as Hg]DAILY MX <= .017 ug/L Jan, Feb, Mar, Nov, Dec
001Mercury, total [as Hg]MO AVG <= .0071 lb/d Apr, May
001Mercury, total [as Hg]MO AVG <= .0075 lb/d Jun, Jul, Aug, Sep
001Mercury, total [as Hg]MO AVG <= .006 lb/d Oct
001Mercury, total [as Hg]MO AVG <= .0043 lb/d Jan, Feb, Mar, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 3552.8 lb/d all year
999Stream flow, estimatedDAILY MN >= 53 cfs Jan, Feb, Mar, Nov, Dec
999Stream flow, estimatedDAILY MN >= 142 cfs Jun, Jul, Aug, Sep
999Stream flow, estimatedDAILY MN >= 130 cfs Apr, May
999Stream flow, estimatedDAILY MN >= 102 cfs Oct
999Stream flow, estimatedDAILY MN >= 154 cfs Oct
999Stream flow, estimatedDAILY MN >= 53 cfs Oct
SLDToxicity characteristic leaching procedureMO AV MN report only all year
SLDAnn. amt sludge disposed by other methodANNL TOT report only all year
SLDAnnual amt of sludge incineratedANNL TOT report only all year
SLDAnnual sludge production, totalANNL TOT report only all year
SLDAnnual amount of sludge land appliedANNL TOT report only all year
SLDAnnual amt. sludge disposed surface unitANNL TOT report only all year
SLDAnnual amt sludge disposed in landfillANNL TOT report only all year
SLDAnnual amt sludge transported interstateANNL TOT report only all year
SLDCompliance w/part 258 sludge requirementVALUE report only all year
SLLArsenic, dry weightSINGSAMP report only all year
SLLArsenic, dry weightMAXIMUM <= 75 mg/kg all year
SLLArsenic, dry weightM0 <= 41 kg/ha all year
SLLSelenium, dry weightSINGSAMP report only all year
SLLSelenium, dry weightMAXIMUM <= 100 mg/kg all year
SLLSelenium, dry weightM0 <= 100 kg/ha all year
SLLPolychlorinated biphenyls [PCBs]ANNL MAX <= 49.99 mg/kg all year
SLLCopper, dry weightSINGSAMP report only all year
SLLCopper, dry weightMAXIMUM <= 4300 mg/kg all year
SLLCopper, dry weightM0 <= 1500 kg/ha all year
SLLCadmium, dry weightSINGSAMP report only all year
SLLCadmium, dry weightMAXIMUM <= 85 mg/kg all year
SLLCadmium, dry weightM0 <= 39 kg/ha all year
SLLAnnual whole sludge application rateM0 report only all year
SLLMolybdenum, sludge, total, dry weight [as Mo]SINGSAMP report only all year
SLLMolybdenum, sludge, total, dry weight [as Mo]MAXIMUM <= 75 mg/kg all year
SLLMolybdenum, sludge, total, dry weight [as Mo]M0 report only all year
SLLZinc, sludge, total, dry weight [as Zn]SINGSAMP report only all year
SLLZinc, sludge, total, dry weight [as Zn]MAXIMUM <= 7500 mg/kg all year
SLLZinc, sludge, total, dry weight [as Zn]M0 <= 2800 kg/ha all year
SLLLead, sludge, total, dry weight [as Pb]SINGSAMP report only all year
SLLLead, sludge, total, dry weight [as Pb]MAXIMUM <= 840 mg/kg all year
SLLLead, sludge, total, dry weight [as Pb]M0 <= 300 kg/ha all year
SLLNickel, sludge, total, dry weight [as Ni]SINGSAMP report only all year
SLLNickel, sludge, total, dry weight [as Ni]MAXIMUM <= 420 mg/kg all year
SLLNickel, sludge, total, dry weight [as Ni]M0 <= 420 kg/ha all year
SLLMercury, sludge, total, dry weight [as Hg]SINGSAMP report only all year
SLLMercury, sludge, total, dry weight [as Hg]MAXIMUM <= 57 mg/kg all year
SLLMercury, sludge, total, dry weight [as Hg]M0 <= 17 kg/ha all year
SLLPollutant table from 503.13VALUE report only all year
SLLLevel of pathogen requirements achievedM0 report only all year
SLLDescription of pathogen option usedVALUE report only all year
SLLVector attraction reduction alternative usedVALUE report only all year
SLSArsenic, dry weightCA report only all year
SLSArsenic, dry weightSINGSAMP report only all year
SLSUnit w/liner/leachate collection systemVALUE report only all year
SLSUnit boundary to property line distanceVALUE report only all year
SLSNickel, sludge, total, dry weight [as Ni]CA report only all year
SLSNickel, sludge, total, dry weight [as Ni]SINGSAMP report only all year
SLSChromium, sludge, total, dry weight [as Cr]CA report only all year
SLSChromium, sludge, total, dry weight [as Cr]SINGSAMP report only all year
SLSLevel of pathogen requirements achievedSINGSAMP report only all year
SLSDescription of pathogen option usedVALUE report only all year
SLSVector attraction reduction alternative usedVALUE report only all year
TX1pHMINIMUM report only all year
TX1pHMAXIMUM report only all year
TX1Nitrogen, ammonia total [as N]DAILY MN report only all year
TX1Nitrogen, ammonia total [as N]MO AVG report only all year
TX1Nitrogen, ammonia total [as N]DAILY MX report only all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX1%Mortality 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1%Mortality Static Renewal 7Day Chronic Pimephales Promelas7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states